I don’t know? I got close I had one SOL light in the basket at Reef Geek and then pressed the back button, Darn it.
The positives I have come across are
1. Look nice
2. Cooler (depending on which brand)
3. Less power cost
4. Controllability (depending on which brand)
5. Suppose to last a long time
6. No more changing lamps (maybe)

The negatives are
1. Warranty is only one, maybe two years (you sell me a light that is suppose to last ten years then warrant it for ten)
2. To get the coverage on my tank which is large I am looking at $3,200 for the really good fixtures, and only $1,500 with the less expensive. ( but the less expensive draw as much power as my MH)
3. The one thing that is in the back of every ones mind? How long will the lamps continue to put out great color?

Okay so what is your excuse, you know now mine?

Oh yea I did trade for a Marineland Reef Capable which is doing a pretty good job on my 40 long.